The 2020 Ram 2500 is one of the strongest heavy-duty truck platforms for towing, work, overlanding, and off-road builds. Whether you drive a gas-powered Ram 2500 or a Cummins diesel, the right lift kit can improve stance, ground clearance, tire clearance, and suspension control. The key is choosing a kit that matches your engine, drivetrain, budget, tire size, and how you actually use the truck.
At Off-Road Canada, we carry a wide selection of 2020 Ram 2500 lift kits, including Rough Country, BDS Suspension, and Zone Offroad options for both gas and diesel trucks. Below, we break down some of the best lift kits for a 2020 Ram 2500 by category, including daily driver builds, 37-inch tire setups, premium 4-link systems, high-clearance show builds, and serious suspension upgrades.
Quick Answer: Best 2020 Ram 2500 Lift Kits by Use Case
For most 2020 Ram 2500 owners, the best lift kit depends on whether the truck is gas or diesel. Gas trucks and diesel trucks use different front spring rates because of the weight difference between the engines, so it is important to choose a kit built for your specific model.
For a diesel daily driver, the Rough Country 5 Inch Lift Kit Non-AISIN M1 is a strong value choice because it includes lifted coil springs, upgraded radius arms, a track bar bracket, and application-valved M1 shocks.
For a gas-powered Ram 2500 that wants a clean 37-inch tire stance, the BDS 5.5 Inch Radius Arm Lift Kit for Gas Models is a premium option with gas-specific Pro-Ride coil springs, heavy-duty replacement radius arms, steering correction, rear coil springs, and shock options.
For diesel owners who want the best geometry and road manners in a tall lift, the BDS 6 Inch 4-Link Lift Kit for Diesel Models is one of the best options because the 4-link conversion helps optimize suspension geometry while adding strength and stability.
For a big-show build or maximum tire clearance, the BDS 8 Inch 4-Link Lift Kit for Diesel Models is designed to clear up to 40-inch tires and includes a diesel-specific front suspension system, 4-link conversion, steering correction, rear coil relocation components, and rear track bar correction.
Gas vs Diesel Ram 2500 Lift Kits: Why It Matters
Before choosing a lift kit for a 2020 Ram 2500, the first question is simple: is the truck gas or diesel?
A Cummins diesel Ram 2500 carries more weight over the front axle than a gas truck. That means diesel lift kits commonly use diesel-specific front coil springs, while gas kits use gas-specific spring rates. Installing the wrong kit can affect ride height, stance, steering feel, and suspension performance.
This is why many premium kits are clearly separated into gas and diesel versions. For example, the BDS gas 5.5-inch kits use gas-specific Pro-Ride front coil springs, while the BDS diesel 6-inch 4-link kit uses diesel-specific Pro-Ride front coil springs.
You should also check whether your truck has air ride, a Power Wagon package, an AISIN transmission, or a manual-shift transfer case. Several kits have fitment notes that exclude air-ride models, Power Wagon models, or specific transmission/transfer case combinations. Always confirm fitment before ordering.
Best Rough Country Lift Kits for a 2020 Ram 2500 Diesel
Rough Country 5 Inch Lift Kit Non-AISIN M1
The Rough Country 5 Inch Lift Kit Non-AISIN M1 is a strong choice for diesel Ram 2500 owners who want a lifted stance, improved ground clearance, and upgraded shocks without jumping into the price range of a full premium 4-link system.
This kit is built for 2019-2023 Ram 2500 4WD diesel models and includes lifted front coil springs, upgraded radius arms, a track bar bracket to help keep the front axle centered, a skid plate, and M1 series shock absorbers. Rough Country notes that the radius arms help maintain a more factory-like suspension angle and use rubber bushings to help reduce vibration.
Best for:
- Daily-driven diesel Ram 2500 builds
- Customers who want a strong lifted stance without going extreme
- Diesel trucks that tow, commute, and occasionally go off-road
- Owners who want monotube-style shock performance at a reasonable price
Important fitment notes: This kit does not fit Power Wagon or air-ride models, and it is listed for diesel models. It also requires transfer case removal for the clocking ring installation and may require minor cutting.
Rough Country 5 Inch Lift Kit Dual Rate Coils V2 Non-AISIN
The Rough Country 5 Inch Lift Kit Dual Rate Coils V2 Non-AISIN is another strong diesel-focused option for Ram 2500 owners who want a 5-inch lift with enhanced shock control. Rough Country describes this kit as engineered to retain factory specs while improving performance and durability where needed.
The major upgrade here is the V2 shock package. Rough Country’s V2 monotube shocks use a nitrogen-charged internal floating piston design, a 46mm high-flow piston, and a T6061 brushed aluminum body for improved damping response and heat dissipation.
Best for:
- Diesel owners who want better shock response than a basic lift kit
- Mixed street and trail use
- Customers who want a lifted stance with better control over rough roads
- Ram 2500 builds running larger tires without going into a 6-inch or 8-inch system
Best Coilover Upgrade for Ram 2500 Ride Quality
Rough Country 4.5–6 Inch Coilover Conversion Upgrade Kit Vertex/V2
For Ram 2500 owners who already have a compatible 4.5-inch to 6-inch lift and want a major ride and performance upgrade, the Rough Country 4.5–6 Inch Coilover Conversion Upgrade Kit Vertex/V2 is one of the most serious upgrades available.
This kit converts the factory-style separate coil and shock setup to a coilover system. Rough Country lists the kit as providing ride height adjustability, improved ride quality and performance, increased damping capability, a secondary front monotube shock, 1/4-inch fabricated coilover mounts, and top-mounted reservoir brackets.
The Vertex coilovers use a 2.5-inch piston, nitrogen-charged design, 8-stage adjustability, and an external reservoir for increased oil capacity and damping sensitivity.
Best for:
- Customers who want the best ride upgrade
- Lifted Ram 2500 trucks that see rough roads or off-road use
- Owners who want adjustability
- Premium diesel or gas builds where suspension performance matters as much as looks
This is not just a height upgrade. It is a suspension performance upgrade for customers who want better damping, better control, and a more premium feel.
Best Gas Ram 2500 Lift Kits
BDS 5.5 Inch Radius Arm Lift Kit for Gas Ram 2500
The BDS 5.5 Inch Lift Kit with Radius Arms for Gas Ram 2500 is one of the best premium choices for a gas-powered 2020 Ram 2500. It is designed to improve stance, performance, and capability while allowing clearance for up to 37-inch tires.
This kit includes gas-specific Pro-Ride front coil springs, heavy-duty replacement radius arms, a forged drop pitman arm, track bar bracket, sway bar relocation, brake line brackets, rear progressive-rate Pro-Ride coil springs, rear track bar relocation, bump stop extensions, sway bar links, and shock options such as NX2 Nitro or FOX 2.0 Performance shocks.
The heavy-duty radius arms are designed to mount in the factory location while offering caster adjustment and OE-style rubber bushings for a smooth and quiet ride.
Best for:
- Gas Ram 2500 daily drivers
- Clean 37-inch tire builds
- Customers who want premium components without stepping into a 4-link conversion
- Work trucks that still need good street manners
BDS 5.5 Inch 4-Link Lift Kit for Gas Ram 2500
The BDS 5.5 Inch 4-Link Lift Kit for Gas Ram 2500 is the upgraded choice for gas truck owners who want better suspension geometry and handling from a lifted heavy-duty truck.
This kit shares many of the same premium components as the radius arm system but adds a 4-link conversion. BDS states that the 4-link conversion replaces the factory stamped steel radius arms with high-strength 1/4-inch steel brackets and HD upper and lower control arms to correct axle positioning and limit caster change through suspension travel.
Best for:
- Gas Ram 2500 owners who want the best handling option
- Premium 37-inch tire builds
- Customers who tow, drive long distances, and want improved geometry
- Enthusiasts who want a stronger suspension foundation
Compared with the radius arm kit, the 4-link version is better suited for customers who care about suspension geometry and stability as much as lift height.
Zone Offroad 5.5 Inch Lift Kit for Gas Ram 2500
The Zone Offroad 5.5 Inch Lift Kit for Gas Ram 2500 is a great option for customers who want a more value-focused lift kit while still getting a complete system from a trusted suspension brand.
Zone lists this kit with full-length coil springs, radius arm drop brackets, steering correction, rear lift, and clearance for up to 37-inch tires. It is available with Nitro Series or FOX 2.0 Adventure Series shock options.
Best for:
- Gas Ram 2500 owners looking for value
- Clean stance upgrades
- 37-inch tire clearance on a budget
- Customers who want Zone quality without the cost of a BDS 4-link kit
Best Diesel Ram 2500 Lift Kits
BDS 6 Inch 4-Link Lift Kit for Diesel Ram 2500
The BDS 6 Inch 4-Link Lift Kit for Diesel Ram 2500 is one of the best all-around premium lift kits for a 2020 Ram 2500 Cummins. It is designed for diesel-powered trucks and provides clearance for up to 37-inch tires.
Up front, the kit includes diesel-specific Pro-Ride coil springs, 4-link control arms with conversion mounts, a forged drop pitman arm, track bar bracket, bump stops, brake line brackets, and precision-tuned NX2 or FOX 2.0 shocks. The kit also includes an indexing ring and new transmission crossmember because the transfer case must be indexed at this height to allow use of the factory front driveshaft.
Best for:
- Diesel Ram 2500 owners who want a premium 37-inch tire setup
- Daily driving, towing, and off-road use
- Customers who want stronger suspension geometry
- Long-term builds where ride quality and stability matter
BDS 6 Inch Radius Arm Lift Kit for Diesel Ram 2500
The BDS 6 Inch Radius Arm Lift Kit for Diesel Ram 2500 is a great option for customers who want a premium BDS lift but do not necessarily need the full 4-link conversion. Radius arm systems are typically simpler than 4-link systems while still offering a strong, corrected suspension setup for a lifted truck.
Best for:
- Diesel owners who want a premium lift with a simpler layout
- 37-inch tire builds
- Daily driving and towing
- Customers comparing BDS quality against more budget-friendly options
Zone Offroad 6.5 Inch Lift Kit for Diesel Ram 2500
The Zone Offroad 6.5 Inch Lift Kit for Diesel Ram 2500 is a value-focused diesel lift kit that still delivers the height and stance most Ram 2500 owners want. Zone describes the kit as including full-length coil springs, radius arm drop brackets, steering correction, and rear lift to level the stance, with clearance for up to 37-inch tires.
Best for:
- Diesel owners who want a tall lift at a lower price point
- 37-inch tire clearance
- Street-driven builds
- Customers who want a complete kit without premium 4-link pricing
Zone Offroad 6.5 Inch Radius Arm Lift Kit for Diesel Ram 2500
The Zone Offroad 6.5 Inch Radius Arm Lift Kit for Diesel Ram 2500 is a step up from the standard Zone lift because it includes heavy-duty radius arms along with full-length coil springs, steering correction, rear lift, and clearance for up to 37-inch tires.
Best for:
- Diesel Ram 2500 owners who want stronger front suspension components
- Daily drivers that need a tall stance
- Customers who want Zone value with upgraded arms
- 37-inch tire builds that need better suspension support than a basic bracket kit
BDS 8 Inch 4-Link Lift Kit for Diesel Ram 2500
The BDS 8 Inch 4-Link Lift Kit for Diesel Ram 2500 is the biggest and most aggressive option in this group. It is designed for diesel-powered Ram 2500 trucks and provides clearance for up to 40-inch tires.
This kit includes diesel-specific front Pro-Ride coil springs, 4-link control arms and conversion mounts, steering correction, transfer case indexing components, rear coil bucket relocation, rear track bar relocation, a heavy-duty adjustable rear track bar, extended sway bar links, and shock options. BDS notes that the rear coil bucket design moves the coil seats outboard of the frame rail to help improve coil stability and reduce the chance of coil bowing.
Best for:
- Big diesel show builds
- 40-inch tire setups
- Customers who want maximum height
- Premium Ram 2500 builds where appearance and capability are both priorities
This is the kit for customers who want their Ram 2500 to stand out. It is not the most practical choice for every daily driver, but for a serious lifted diesel build, it delivers the height, stance, and component package needed to run a much larger wheel and tire setup.
Radius Arm vs 4-Link: Which Is Better?
A radius arm lift kit is typically simpler, strong, and effective for a daily-driven heavy-duty truck. Many radius arm kits are easier to understand, more affordable than 4-link systems, and still offer corrected steering and suspension geometry.
A 4-link lift kit is usually the better choice when the customer wants improved suspension geometry, better axle control, and a more premium driving feel. BDS 4-link systems use upper and lower control arms with heavy-duty brackets to better control axle positioning and reduce caster change through suspension travel.
Choose a radius arm kit if you want:
- A strong lift system
- Good daily drivability
- Lower cost compared with a 4-link
- A clean 37-inch tire setup
Choose a 4-link kit if you want:
- Better geometry
- Better stability
- A more premium suspension system
- A stronger foundation for larger tires and heavier use
What Tire Size Can You Run on a Lifted 2020 Ram 2500?
Most of the 5.5-inch, 6-inch, and 6.5-inch kits in this guide are designed around clearance for up to 37-inch tires. The BDS 8-inch diesel 4-link kit is designed for clearance up to 40-inch tires.
Wheel offset, tire width, trimming, bumper style, and alignment all matter. A 37-inch tire on the wrong wheel offset may rub more than expected, while a better wheel and tire combination can make the truck easier to align and drive. If the truck will tow, daily drive, or haul heavy loads, choosing the right tire load rating is just as important as choosing the right lift height.
Which Lift Kit Should You Choose?
Choose the Rough Country 5 Inch Non-AISIN M1 Diesel Kit if you want a strong value diesel lift with upgraded radius arms and M1 shocks.
Choose the Rough Country 5 Inch Dual Rate Coils V2 Kit if you want a Rough Country lift with improved V2 monotube shock performance.
Choose the Rough Country Coilover Conversion Kit if you already have a compatible lift and want a major ride quality and damping upgrade.
Choose the BDS 5.5 Inch Radius Arm Gas Kit if you have a gas Ram 2500 and want a premium 37-inch tire setup.
Choose the BDS 5.5 Inch 4-Link Gas Kit if you have a gas truck and want better geometry and a more premium suspension system.
Choose the BDS 6 Inch 4-Link Diesel Kit if you have a diesel Ram 2500 and want one of the best premium 37-inch tire lift systems.
Choose the Zone Offroad 5.5 Inch Gas Kit if you want a value-focused gas lift kit with 37-inch tire clearance.
Choose the Zone Offroad 6.5 Inch Diesel Kit if you want a value-focused diesel lift kit with a tall stance.
Choose the BDS 8 Inch 4-Link Diesel Kit if you want a big diesel build with clearance for up to 40-inch tires.
Final Thoughts: The Best Lift Kit for a 2020 Ram 2500
The best lift kit for a 2020 Ram 2500 depends on your truck and your goals. Gas owners should choose a gas-specific kit with the correct spring rate, while diesel owners should use a diesel-specific system designed for the extra front-end weight of the Cummins platform.
For most daily-driven diesel builds, a 5-inch to 6.5-inch lift with 37-inch tires gives the best balance of stance, drivability, and usability. For gas trucks, a 5.5-inch system is a clean, proven height for a 37-inch tire setup. For customers who want the best suspension geometry, a BDS 4-link system is worth the upgrade. For customers who want maximum height and show-truck presence, the BDS 8-inch 4-link diesel kit is the standout option.
Shop all 2020 Ram 2500 lift kits at Off-Road Canada and contact our team if you need help confirming fitment, tire size, wheel offset, or the best kit for your build.